1.00" range, .001" graduations.0-50 reading.Includes indicator #4345 & Base # 6418. Stay firm base which conforms to any surface - regular or irregular. Includes a large 2-1/4" diameter dial indicator with 1" range. Extremely accurate throughout its full range. Dial is both continuous and balanced with revolution counter. May be rotated for any setting point. SET INCLUDES: A powerful magnetic base with post and indicator rod. Contact,...